Alexandra Wetzel, Rezension zur Konferenz "The Polychromy of Antique Sculptures and the Terracotta Army of the First Chinese Emperor. Studies of Materials, Techniques and Conservation. Papers of the International Conference in Xi'an, March 22-28, 1999, ed. by Wu Yongqi, Zhang Tinghao, Michael Petzet, Erwin Emmerling, Catharina Blänsdorf", in Arts Asiatiques Nr. 58, 2003, S. 192-193.

Alexandra Wetzel, "The Conservation and Restoration of the Terracotta Army", in Roberto Ciarla (Hg.), The Eternal Army. The Terracotta Soldiers of the First Emperor, White Star, Vercelli 2005, S. 248-267.

Alexandra Wetzel, Conference report about "The Polychromy of Antique Sculptures and the Terracotta Army of the First Chinese Emperor. Studies of Materials, Techniques and Conservation. Papers of the International Conference in Xi'an, March 22-28, 1999, ed. by Wu Yongqi, Zhang Tinghao, Michael Petzet, Erwin Emmerling, Catharina Blänsdorf", in Arts Asiatiques n. 58, 2003, pp. 192-193.

Alexandra Wetzel, "The Conservation and Restoration of the Terracotta Army", in Roberto Ciarla (ed.), The Eternal Army. The Terracotta Soldiers of the First Emperor, White Star, Vercelli 2005, pag. 248-267.

Alexandra Wetzel, Conference report about "The Polychromy of Antique Sculptures and the Terracotta Army of the First Chinese Emperor. Studies of Materials, Techniques and Conservation. Papers of the International Conference in Xi'an, March 22-28, 1999, ed. by Wu Yongqi, Zhang Tinghao, Michael Petzet, Erwin Emmerling, Catharina Blänsdorf", in Arts Asiatiques n. 58, 2003, pp. 192-193.

Alexandra Wetzel, "The Conservation and Restoration of the Terracotta Army", in Roberto Ciarla (ed.), The Eternal Army. The Terracotta Soldiers of the First Emperor, White Star, Vercelli 2005, pag. 248-267.

Alexandra Wetzel, Conference report about "The Polychromy of Antique Sculptures and the Terracotta Army of the First Chinese Emperor. Studies of Materials, Techniques and Conservation. Papers of the International Conference in Xi'an, March 22-28, 1999, ed. by Wu Yongqi, Zhang Tinghao, Michael Petzet, Erwin Emmerling, Catharina Blänsdorf", in Arts Asiatiques 58页, 都灵2003, 192-193页.

Alexandra Wetzel, "The Conservation and Restoration of the Terracotta Army", in Roberto Ciarla (ed.), The Eternal Army. The Terracotta Soldiers of the First Emperor, White Star, Vercelli 2005年, 248-267页.